PHP  : Hypertext Preprocesssor
GNU  : is Not Unix
JACK : Audio Connector Kit

RASMUS LERDORF
<?php

$lang = 'php';
$php = 'version';
$version = 'five';
$five = 'author';
$author = 'rasmus';

echo $lang;
echo "\n\n";

echo $$lang;
echo "\n\n";

echo $$$lang;
echo "\n\n";
